Usually, when a smoke alarm or carbon monoxide alarm is chirping (one quick little beep every one to two minutes or so), it means the battery is dying.
1 Even if your smoke alarm is attached to your electrical system, it should have a battery backup.
How long will a smoke alarm chirp before going off?
It is typical for the smoke alarms to go off and sound for a moment (up to 5-10 seconds) when you install a new battery or they are powered up. In case the alarm continues to go off and there is no smoke present, the cause could be: There may not be sufficient battery power.
How do I make my smoke detector stop chirping?
How to Stop Smoke Detector Beeping or Chirping –
Will my smoke alarm stop chirping if I take the battery out?
Removing the battery from a smoke alarm, also called a smoke detector, won’t set the unit off and start the fire alarm beeping. Instead, it will likely do the opposite and disable the unit. Because of this, there is really only one reason for you to ever remove the battery and that is to replace it with a fresh one.
How long will a smoke detector beep without a battery?
4. With the battery removed, press and hold the test button for 15-20 seconds. Once reset, the smoke detector should chirp one more time.